Submission #677592

#	Time	Username	Problem	Language	Result	Execution time	Memory
677592		Raed	Job Scheduling (CEOI12_jobs)	C++17	60 / 100	161 ms	6328 KiB

jobs

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define ss second
#define ff first
#define pb push_back
#define mk make_pair
#define mt make_tuple
#define all(x) (x).begin(), (x).end()
ll n,m,a[200100],k;
bool go(ll mid){
    int o=0,d=0;
    for(int i=1;i<=n;i++){
        o=0;
        for(int j=d;j<m;j++){
            if(i-a[j]>k){
                return false;
            }
            if(a[j]>i)
            break;
            o++;
            d++;
            if(o>=mid){
                break;
            }
        }
    }
    if(d<=m-1)
    return false;
    return true;
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin>>n>>k>>m;
    vector<pair<ll,int> >v;
    for(int i=0;i<m;i++){
        cin>>a[i];
        v.pb({a[i],i+1});
    }
    sort(a,a+m);
    ll l=0,r=1e9,ans=1e9;
    while(l<=r){
        ll mid=(l+r)/2;
        if(go(mid)){
            r=mid-1;
            ans=mid;
        }
        else{
            l=mid+1;
        }
    }
    cout<<ans<<endl;
    sort(v.begin(),v.end());
    int k=0;
    int o=0,d=0,p=0;
    for(int i=1;i<=n;i++){
        o=0;
        for(int j=d;j<m;j++){
            if(a[j]>i)
            break;
            o++;
            d++;
            cout<<v[j].ss<<" ";
            if(o>=ans){
                break;
            }
        }
        cout<<0<<endl;
    }
}

Compilation message (stderr)

jobs.cpp: In function 'int main()':
jobs.cpp:55:9: warning: unused variable 'k' [-Wunused-variable]
   55 |     int k=0;
      |         ^
jobs.cpp:56:17: warning: unused variable 'p' [-Wunused-variable]
   56 |     int o=0,d=0,p=0;
      |                 ^

• Subtask 1: 60 / 100